Gemstone



FIG. 1 is a front elevational view of a gemstone showing my new design;

FIG. 2 is a side elevational view of the gemstone;

FIG. 3 is a top plan view of the gemstone of FIG. 1;

FIG. 4 is a bottom plan view of the gemstone of FIG. 1;

FIG. 5 is a top perspective view of the gemstone; and,

FIG. 6 is a bottom perspective view of the gemstone.

The ornamental design for a gemstone, as shown and described.